1package eu.siacs.conversations.ui.adapter;
2
3import android.content.ActivityNotFoundException;
4import android.content.Intent;
5import android.content.pm.PackageManager;
6import android.content.pm.ResolveInfo;
7import android.content.res.Resources;
8import android.content.res.TypedArray;
9import android.graphics.Bitmap;
10import android.graphics.Typeface;
11import android.graphics.drawable.BitmapDrawable;
12import android.graphics.drawable.Drawable;
13import android.net.Uri;
14import android.os.AsyncTask;
15import android.os.Build;
16import android.support.v4.content.FileProvider;
17import android.text.Spannable;
18import android.text.SpannableString;
19import android.text.SpannableStringBuilder;
20import android.text.Spanned;
21import android.text.style.ForegroundColorSpan;
22import android.text.style.RelativeSizeSpan;
23import android.text.style.StyleSpan;
24import android.text.util.Linkify;
25import android.util.DisplayMetrics;
26import android.util.Patterns;
27import android.view.ActionMode;
28import android.view.Menu;
29import android.view.MenuItem;
30import android.view.View;
31import android.view.View.OnClickListener;
32import android.view.View.OnLongClickListener;
33import android.view.ViewGroup;
34import android.widget.ArrayAdapter;
35import android.widget.Button;
36import android.widget.ImageView;
37import android.widget.LinearLayout;
38import android.widget.TextView;
39import android.widget.Toast;
40
41import java.lang.ref.WeakReference;
42import java.net.URL;
43import java.util.List;
44import java.util.concurrent.RejectedExecutionException;
45import java.util.regex.Pattern;
46
47import eu.siacs.conversations.Config;
48import eu.siacs.conversations.R;
49import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
50import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
51import eu.siacs.conversations.entities.Account;
52import eu.siacs.conversations.entities.Conversation;
53import eu.siacs.conversations.entities.DownloadableFile;
54import eu.siacs.conversations.entities.Message;
55import eu.siacs.conversations.entities.Message.FileParams;
56import eu.siacs.conversations.entities.Transferable;
57import eu.siacs.conversations.persistance.FileBackend;
58import eu.siacs.conversations.ui.ConversationActivity;
59import eu.siacs.conversations.ui.text.DividerSpan;
60import eu.siacs.conversations.ui.text.QuoteSpan;
61import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
62import eu.siacs.conversations.ui.widget.CopyTextView;
63import eu.siacs.conversations.ui.widget.ListSelectionManager;
64import eu.siacs.conversations.utils.CryptoHelper;
65import eu.siacs.conversations.utils.GeoHelper;
66import eu.siacs.conversations.utils.UIHelper;
67
68public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
69
70 private static final int SENT = 0;
71 private static final int RECEIVED = 1;
72 private static final int STATUS = 2;
73 private static final Pattern XMPP_PATTERN = Pattern
74 .compile("xmpp\\:(?:(?:["
75 + Patterns.GOOD_IRI_CHAR
76 + "\\;\\/\\?\\@\\&\\=\\#\\~\\-\\.\\+\\!\\*\\'\\(\\)\\,\\_])"
77 + "|(?:\\%[a-fA-F0-9]{2}))+");
78
79 private ConversationActivity activity;
80
81 private DisplayMetrics metrics;
82
83 private OnContactPictureClicked mOnContactPictureClickedListener;
84 private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
85
86 private boolean mIndicateReceived = false;
87 private boolean mUseGreenBackground = false;
88
89 private OnQuoteListener onQuoteListener;
90
91 private final ListSelectionManager listSelectionManager = new ListSelectionManager();
92
93 public MessageAdapter(ConversationActivity activity, List<Message> messages) {
94 super(activity, 0, messages);
95 this.activity = activity;
96 metrics = getContext().getResources().getDisplayMetrics();
97 updatePreferences();
98 }
99
100 public void setOnContactPictureClicked(OnContactPictureClicked listener) {
101 this.mOnContactPictureClickedListener = listener;
102 }
103
104 public void setOnContactPictureLongClicked(
105 OnContactPictureLongClicked listener) {
106 this.mOnContactPictureLongClickedListener = listener;
107 }
108
109 public void setOnQuoteListener(OnQuoteListener listener) {
110 this.onQuoteListener = listener;
111 }
112
113 @Override
114 public int getViewTypeCount() {
115 return 3;
116 }
117
118 public int getItemViewType(Message message) {
119 if (message.getType() == Message.TYPE_STATUS) {
120 return STATUS;
121 } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
122 return RECEIVED;
123 }
124
125 return SENT;
126 }
127
128 @Override
129 public int getItemViewType(int position) {
130 return this.getItemViewType(getItem(position));
131 }
132
133 private int getMessageTextColor(boolean onDark, boolean primary) {
134 if (onDark) {
135 return activity.getResources().getColor(primary ? R.color.white : R.color.white70);
136 } else {
137 return activity.getResources().getColor(primary ? R.color.black87 : R.color.black54);
138 }
139 }
140
141 private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground, boolean inValidSession) {
142 String filesize = null;
143 String info = null;
144 boolean error = false;
145 if (viewHolder.indicatorReceived != null) {
146 viewHolder.indicatorReceived.setVisibility(View.GONE);
147 }
148
149 if (viewHolder.edit_indicator != null) {
150 if (message.edited()) {
151 viewHolder.edit_indicator.setVisibility(View.VISIBLE);
152 viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
153 viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
154 } else {
155 viewHolder.edit_indicator.setVisibility(View.GONE);
156 }
157 }
158 boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
159 && message.getMergedStatus() <= Message.STATUS_RECEIVED;
160 if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
161 FileParams params = message.getFileParams();
162 if (params.size > (1.5 * 1024 * 1024)) {
163 filesize = params.size / (1024 * 1024)+ " MiB";
164 } else if (params.size > 0) {
165 filesize = params.size / 1024 + " KiB";
166 }
167 if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
168 error = true;
169 }
170 }
171 switch (message.getMergedStatus()) {
172 case Message.STATUS_WAITING:
173 info = getContext().getString(R.string.waiting);
174 break;
175 case Message.STATUS_UNSEND:
176 Transferable d = message.getTransferable();
177 if (d!=null) {
178 info = getContext().getString(R.string.sending_file,d.getProgress());
179 } else {
180 info = getContext().getString(R.string.sending);
181 }
182 break;
183 case Message.STATUS_OFFERED:
184 info = getContext().getString(R.string.offering);
185 break;
186 case Message.STATUS_SEND_RECEIVED:
187 if (mIndicateReceived) {
188 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
189 }
190 break;
191 case Message.STATUS_SEND_DISPLAYED:
192 if (mIndicateReceived) {
193 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
194 }
195 break;
196 case Message.STATUS_SEND_FAILED:
197 info = getContext().getString(R.string.send_failed);
198 error = true;
199 break;
200 default:
201 if (multiReceived) {
202 info = UIHelper.getMessageDisplayName(message);
203 }
204 break;
205 }
206 if (error && type == SENT) {
207 viewHolder.time.setTextColor(activity.getWarningTextColor());
208 } else {
209 viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground,false));
210 }
211 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
212 viewHolder.indicator.setVisibility(View.GONE);
213 } else {
214 boolean verified = false;
215 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
216 final FingerprintStatus status = message.getConversation()
217 .getAccount().getAxolotlService().getFingerprintTrust(
218 message.getFingerprint());
219 if (status != null && status.isVerified()) {
220 verified = true;
221 }
222 }
223 if (verified) {
224 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
225 } else {
226 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
227 }
228 if (darkBackground) {
229 viewHolder.indicator.setAlpha(0.7f);
230 } else {
231 viewHolder.indicator.setAlpha(0.57f);
232 }
233 }
234
235 String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(),
236 message.getMergedTimeSent());
237 if (message.getStatus() <= Message.STATUS_RECEIVED) {
238 if ((filesize != null) && (info != null)) {
239 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize +" \u00B7 " + info);
240 } else if ((filesize == null) && (info != null)) {
241 viewHolder.time.setText(formatedTime + " \u00B7 " + info);
242 } else if ((filesize != null) && (info == null)) {
243 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
244 } else {
245 viewHolder.time.setText(formatedTime);
246 }
247 } else {
248 if ((filesize != null) && (info != null)) {
249 viewHolder.time.setText(filesize + " \u00B7 " + info);
250 } else if ((filesize == null) && (info != null)) {
251 if (error) {
252 viewHolder.time.setText(info + " \u00B7 " + formatedTime);
253 } else {
254 viewHolder.time.setText(info);
255 }
256 } else if ((filesize != null) && (info == null)) {
257 viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
258 } else {
259 viewHolder.time.setText(formatedTime);
260 }
261 }
262 }
263
264 private void displayInfoMessage(ViewHolder viewHolder, String text, boolean darkBackground) {
265 if (viewHolder.download_button != null) {
266 viewHolder.download_button.setVisibility(View.GONE);
267 }
268 viewHolder.image.setVisibility(View.GONE);
269 viewHolder.messageBody.setVisibility(View.VISIBLE);
270 viewHolder.messageBody.setText(text);
271 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
272 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
273 viewHolder.messageBody.setTextIsSelectable(false);
274 }
275
276 private void displayDecryptionFailed(ViewHolder viewHolder, boolean darkBackground) {
277 if (viewHolder.download_button != null) {
278 viewHolder.download_button.setVisibility(View.GONE);
279 }
280 viewHolder.image.setVisibility(View.GONE);
281 viewHolder.messageBody.setVisibility(View.VISIBLE);
282 viewHolder.messageBody.setText(getContext().getString(
283 R.string.decryption_failed));
284 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
285 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
286 viewHolder.messageBody.setTextIsSelectable(false);
287 }
288
289 private void displayHeartMessage(final ViewHolder viewHolder, final String body) {
290 if (viewHolder.download_button != null) {
291 viewHolder.download_button.setVisibility(View.GONE);
292 }
293 viewHolder.image.setVisibility(View.GONE);
294 viewHolder.messageBody.setVisibility(View.VISIBLE);
295 viewHolder.messageBody.setIncludeFontPadding(false);
296 Spannable span = new SpannableString(body);
297 span.setSpan(new RelativeSizeSpan(4.0f), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
298 span.setSpan(new ForegroundColorSpan(activity.getWarningTextColor()), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
299 viewHolder.messageBody.setText(span);
300 }
301
302 private int applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
303 if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
304 body.insert(start++, "\n");
305 body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
306 end++;
307 }
308 if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
309 body.insert(end, "\n");
310 body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
311 }
312 int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
313 : getContext().getResources().getColor(R.color.bubble);
314 DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
315 body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
316 return 0;
317 }
318
319 /**
320 * Applies QuoteSpan to group of lines which starts with > or » characters.
321 * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
322 */
323 private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
324 boolean startsWithQuote = false;
325 char previous = '\n';
326 int lineStart = -1;
327 int lineTextStart = -1;
328 int quoteStart = -1;
329 for (int i = 0; i <= body.length(); i++) {
330 char current = body.length() > i ? body.charAt(i) : '\n';
331 if (lineStart == -1) {
332 if (previous == '\n') {
333 if (current == '>' || current == '\u00bb') {
334 // Line start with quote
335 lineStart = i;
336 if (quoteStart == -1) quoteStart = i;
337 if (i == 0) startsWithQuote = true;
338 } else if (quoteStart >= 0) {
339 // Line start without quote, apply spans there
340 applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
341 quoteStart = -1;
342 }
343 }
344 } else {
345 // Remove extra spaces between > and first character in the line
346 // > character will be removed too
347 if (current != ' ' && lineTextStart == -1) {
348 lineTextStart = i;
349 }
350 if (current == '\n') {
351 body.delete(lineStart, lineTextStart);
352 i -= lineTextStart - lineStart;
353 if (i == lineStart) {
354 // Avoid empty lines because span over empty line can be hidden
355 body.insert(i++, " ");
356 }
357 lineStart = -1;
358 lineTextStart = -1;
359 }
360 }
361 previous = current;
362 }
363 if (quoteStart >= 0) {
364 // Apply spans to finishing open quote
365 applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
366 }
367 return startsWithQuote;
368 }
369
370 private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
371 if (viewHolder.download_button != null) {
372 viewHolder.download_button.setVisibility(View.GONE);
373 }
374 viewHolder.image.setVisibility(View.GONE);
375 viewHolder.messageBody.setVisibility(View.VISIBLE);
376 viewHolder.messageBody.setIncludeFontPadding(true);
377 if (message.getBody() != null) {
378 final String nick = UIHelper.getMessageDisplayName(message);
379 SpannableStringBuilder body = message.getMergedBody();
380 boolean hasMeCommand = message.hasMeCommand();
381 if (hasMeCommand) {
382 body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
383 }
384 if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
385 body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
386 body.append("\u2026");
387 }
388 Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
389 for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
390 int start = body.getSpanStart(mergeSeparator);
391 int end = body.getSpanEnd(mergeSeparator);
392 body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
393 }
394 boolean startsWithQuote = handleTextQuotes(body, darkBackground);
395 if (message.getType() != Message.TYPE_PRIVATE) {
396 if (hasMeCommand) {
397 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
398 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
399 }
400 } else {
401 String privateMarker;
402 if (message.getStatus() <= Message.STATUS_RECEIVED) {
403 privateMarker = activity.getString(R.string.private_message);
404 } else {
405 final String to;
406 if (message.getCounterpart() != null) {
407 to = message.getCounterpart().getResourcepart();
408 } else {
409 to = "";
410 }
411 privateMarker = activity.getString(R.string.private_message_to, to);
412 }
413 body.insert(0, privateMarker);
414 int privateMarkerIndex = privateMarker.length();
415 if (startsWithQuote) {
416 body.insert(privateMarkerIndex, "\n\n");
417 body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
418 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
419 } else {
420 body.insert(privateMarkerIndex, " ");
421 }
422 body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)),
423 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
424 body.setSpan(new StyleSpan(Typeface.BOLD),
425 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
426 if (hasMeCommand) {
427 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
428 privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
429 }
430 }
431 Linkify.addLinks(body, Linkify.WEB_URLS);
432 Linkify.addLinks(body, XMPP_PATTERN, "xmpp");
433 Linkify.addLinks(body, GeoHelper.GEO_URI, "geo");
434 viewHolder.messageBody.setAutoLinkMask(0);
435 viewHolder.messageBody.setText(body);
436 viewHolder.messageBody.setTextIsSelectable(true);
437 viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
438 listSelectionManager.onUpdate(viewHolder.messageBody, message);
439 } else {
440 viewHolder.messageBody.setText("");
441 viewHolder.messageBody.setTextIsSelectable(false);
442 }
443 viewHolder.messageBody.setTextColor(this.getMessageTextColor(darkBackground, true));
444 viewHolder.messageBody.setLinkTextColor(this.getMessageTextColor(darkBackground, true));
445 viewHolder.messageBody.setHighlightColor(activity.getResources().getColor(darkBackground
446 ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
447 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
448 }
449
450 private void displayDownloadableMessage(ViewHolder viewHolder,
451 final Message message, String text) {
452 viewHolder.image.setVisibility(View.GONE);
453 viewHolder.messageBody.setVisibility(View.GONE);
454 viewHolder.download_button.setVisibility(View.VISIBLE);
455 viewHolder.download_button.setText(text);
456 viewHolder.download_button.setOnClickListener(new OnClickListener() {
457
458 @Override
459 public void onClick(View v) {
460 activity.startDownloadable(message);
461 }
462 });
463 }
464
465 private void displayOpenableMessage(ViewHolder viewHolder,final Message message) {
466 viewHolder.image.setVisibility(View.GONE);
467 viewHolder.messageBody.setVisibility(View.GONE);
468 viewHolder.download_button.setVisibility(View.VISIBLE);
469 viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
470 viewHolder.download_button.setOnClickListener(new OnClickListener() {
471
472 @Override
473 public void onClick(View v) {
474 openDownloadable(message);
475 }
476 });
477 }
478
479 private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
480 viewHolder.image.setVisibility(View.GONE);
481 viewHolder.messageBody.setVisibility(View.GONE);
482 viewHolder.download_button.setVisibility(View.VISIBLE);
483 viewHolder.download_button.setText(R.string.show_location);
484 viewHolder.download_button.setOnClickListener(new OnClickListener() {
485
486 @Override
487 public void onClick(View v) {
488 showLocation(message);
489 }
490 });
491 }
492
493 private void displayImageMessage(ViewHolder viewHolder,
494 final Message message) {
495 if (viewHolder.download_button != null) {
496 viewHolder.download_button.setVisibility(View.GONE);
497 }
498 viewHolder.messageBody.setVisibility(View.GONE);
499 viewHolder.image.setVisibility(View.VISIBLE);
500 FileParams params = message.getFileParams();
501 double target = metrics.density * 288;
502 int scaledW;
503 int scaledH;
504 if (Math.max(params.height, params.width) * metrics.density <= target) {
505 scaledW = (int) (params.width * metrics.density);
506 scaledH = (int) (params.height * metrics.density);
507 } else if (Math.max(params.height,params.width) <= target) {
508 scaledW = params.width;
509 scaledH = params.height;
510 } else if (params.width <= params.height) {
511 scaledW = (int) (params.width / ((double) params.height / target));
512 scaledH = (int) target;
513 } else {
514 scaledW = (int) target;
515 scaledH = (int) (params.height / ((double) params.width / target));
516 }
517 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
518 layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
519 viewHolder.image.setLayoutParams(layoutParams);
520 activity.loadBitmap(message, viewHolder.image);
521 viewHolder.image.setOnClickListener(new OnClickListener() {
522
523 @Override
524 public void onClick(View v) {
525 openDownloadable(message);
526 }
527 });
528 }
529
530 private void loadMoreMessages(Conversation conversation) {
531 conversation.setLastClearHistory(0);
532 activity.xmppConnectionService.updateConversation(conversation);
533 conversation.setHasMessagesLeftOnServer(true);
534 conversation.setFirstMamReference(null);
535 long timestamp = conversation.getLastMessageTransmitted();
536 if (timestamp == 0) {
537 timestamp = System.currentTimeMillis();
538 }
539 activity.setMessagesLoaded();
540 activity.xmppConnectionService.getMessageArchiveService().query(conversation, 0, timestamp);
541 Toast.makeText(activity, R.string.fetching_history_from_server,Toast.LENGTH_LONG).show();
542 }
543
544 @Override
545 public View getView(int position, View view, ViewGroup parent) {
546 final Message message = getItem(position);
547 final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
548 final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
549 final Conversation conversation = message.getConversation();
550 final Account account = conversation.getAccount();
551 final int type = getItemViewType(position);
552 ViewHolder viewHolder;
553 if (view == null) {
554 viewHolder = new ViewHolder();
555 switch (type) {
556 case SENT:
557 view = activity.getLayoutInflater().inflate(
558 R.layout.message_sent, parent, false);
559 viewHolder.message_box = (LinearLayout) view
560 .findViewById(R.id.message_box);
561 viewHolder.contact_picture = (ImageView) view
562 .findViewById(R.id.message_photo);
563 viewHolder.download_button = (Button) view
564 .findViewById(R.id.download_button);
565 viewHolder.indicator = (ImageView) view
566 .findViewById(R.id.security_indicator);
567 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
568 viewHolder.image = (ImageView) view
569 .findViewById(R.id.message_image);
570 viewHolder.messageBody = (CopyTextView) view
571 .findViewById(R.id.message_body);
572 viewHolder.time = (TextView) view
573 .findViewById(R.id.message_time);
574 viewHolder.indicatorReceived = (ImageView) view
575 .findViewById(R.id.indicator_received);
576 break;
577 case RECEIVED:
578 view = activity.getLayoutInflater().inflate(
579 R.layout.message_received, parent, false);
580 viewHolder.message_box = (LinearLayout) view
581 .findViewById(R.id.message_box);
582 viewHolder.contact_picture = (ImageView) view
583 .findViewById(R.id.message_photo);
584 viewHolder.download_button = (Button) view
585 .findViewById(R.id.download_button);
586 viewHolder.indicator = (ImageView) view
587 .findViewById(R.id.security_indicator);
588 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
589 viewHolder.image = (ImageView) view
590 .findViewById(R.id.message_image);
591 viewHolder.messageBody = (CopyTextView) view
592 .findViewById(R.id.message_body);
593 viewHolder.time = (TextView) view
594 .findViewById(R.id.message_time);
595 viewHolder.indicatorReceived = (ImageView) view
596 .findViewById(R.id.indicator_received);
597 viewHolder.encryption = (TextView) view.findViewById(R.id.message_encryption);
598 break;
599 case STATUS:
600 view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
601 viewHolder.contact_picture = (ImageView) view.findViewById(R.id.message_photo);
602 viewHolder.status_message = (TextView) view.findViewById(R.id.status_message);
603 viewHolder.load_more_messages = (Button) view.findViewById(R.id.load_more_messages);
604 break;
605 default:
606 viewHolder = null;
607 break;
608 }
609 if (viewHolder.messageBody != null) {
610 listSelectionManager.onCreate(viewHolder.messageBody,
611 new MessageBodyActionModeCallback(viewHolder.messageBody));
612 viewHolder.messageBody.setCopyHandler(this);
613 }
614 view.setTag(viewHolder);
615 } else {
616 viewHolder = (ViewHolder) view.getTag();
617 if (viewHolder == null) {
618 return view;
619 }
620 }
621
622 boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
623
624 if (type == STATUS) {
625 if ("LOAD_MORE".equals(message.getBody())) {
626 viewHolder.status_message.setVisibility(View.GONE);
627 viewHolder.contact_picture.setVisibility(View.GONE);
628 viewHolder.load_more_messages.setVisibility(View.VISIBLE);
629 viewHolder.load_more_messages.setOnClickListener(new OnClickListener() {
630 @Override
631 public void onClick(View v) {
632 loadMoreMessages(message.getConversation());
633 }
634 });
635 } else {
636 viewHolder.status_message.setVisibility(View.VISIBLE);
637 viewHolder.contact_picture.setVisibility(View.VISIBLE);
638 viewHolder.load_more_messages.setVisibility(View.GONE);
639 if (conversation.getMode() == Conversation.MODE_SINGLE) {
640 viewHolder.contact_picture.setImageBitmap(activity
641 .avatarService().get(conversation.getContact(),
642 activity.getPixel(32)));
643 viewHolder.contact_picture.setAlpha(0.5f);
644 }
645 viewHolder.status_message.setText(message.getBody());
646 }
647 return view;
648 } else {
649 loadAvatar(message, viewHolder.contact_picture);
650 }
651
652 viewHolder.contact_picture
653 .setOnClickListener(new OnClickListener() {
654
655 @Override
656 public void onClick(View v) {
657 if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
658 MessageAdapter.this.mOnContactPictureClickedListener
659 .onContactPictureClicked(message);
660 }
661
662 }
663 });
664 viewHolder.contact_picture
665 .setOnLongClickListener(new OnLongClickListener() {
666
667 @Override
668 public boolean onLongClick(View v) {
669 if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
670 MessageAdapter.this.mOnContactPictureLongClickedListener
671 .onContactPictureLongClicked(message);
672 return true;
673 } else {
674 return false;
675 }
676 }
677 });
678
679 final Transferable transferable = message.getTransferable();
680 if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
681 if (transferable.getStatus() == Transferable.STATUS_OFFER) {
682 displayDownloadableMessage(viewHolder,message,activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
683 } else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
684 displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
685 } else {
686 displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first,darkBackground);
687 }
688 } else if (message.getType() == Message.TYPE_IMAGE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
689 displayImageMessage(viewHolder, message);
690 } else if (message.getType() == Message.TYPE_FILE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
691 if (message.getFileParams().width > 0) {
692 displayImageMessage(viewHolder,message);
693 } else {
694 displayOpenableMessage(viewHolder, message);
695 }
696 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
697 if (account.isPgpDecryptionServiceConnected()) {
698 if (!account.hasPendingPgpIntent(conversation)) {
699 displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
700 } else {
701 displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
702 }
703 } else {
704 displayInfoMessage(viewHolder,activity.getString(R.string.install_openkeychain),darkBackground);
705 if (viewHolder != null) {
706 viewHolder.message_box
707 .setOnClickListener(new OnClickListener() {
708
709 @Override
710 public void onClick(View v) {
711 activity.showInstallPgpDialog();
712 }
713 });
714 }
715 }
716 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
717 displayDecryptionFailed(viewHolder,darkBackground);
718 } else {
719 if (GeoHelper.isGeoUri(message.getBody())) {
720 displayLocationMessage(viewHolder,message);
721 } else if (message.bodyIsHeart()) {
722 displayHeartMessage(viewHolder, message.getBody().trim());
723 } else if (message.treatAsDownloadable() == Message.Decision.MUST) {
724 try {
725 URL url = new URL(message.getBody());
726 displayDownloadableMessage(viewHolder,
727 message,
728 activity.getString(R.string.check_x_filesize_on_host,
729 UIHelper.getFileDescriptionString(activity, message),
730 url.getHost()));
731 } catch (Exception e) {
732 displayDownloadableMessage(viewHolder,
733 message,
734 activity.getString(R.string.check_x_filesize,
735 UIHelper.getFileDescriptionString(activity, message)));
736 }
737 } else {
738 displayTextMessage(viewHolder, message, darkBackground, type);
739 }
740 }
741
742 if (type == RECEIVED) {
743 if(isInValidSession) {
744 int bubble;
745 if (!mUseGreenBackground) {
746 bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
747 } else {
748 bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
749 }
750 viewHolder.message_box.setBackgroundResource(bubble);
751 viewHolder.encryption.setVisibility(View.GONE);
752 } else {
753 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
754 viewHolder.encryption.setVisibility(View.VISIBLE);
755 if (omemoEncryption && !message.isTrusted()) {
756 viewHolder.encryption.setText(R.string.not_trusted);
757 } else {
758 viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
759 }
760 }
761 }
762
763 displayStatus(viewHolder, message, type, darkBackground, isInValidSession);
764
765 return view;
766 }
767
768 @Override
769 public void notifyDataSetChanged() {
770 listSelectionManager.onBeforeNotifyDataSetChanged();
771 super.notifyDataSetChanged();
772 listSelectionManager.onAfterNotifyDataSetChanged();
773 }
774
775 private String transformText(CharSequence text, int start, int end, boolean forCopy) {
776 SpannableStringBuilder builder = new SpannableStringBuilder(text);
777 Object copySpan = new Object();
778 builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
779 DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
780 for (DividerSpan dividerSpan : dividerSpans) {
781 builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
782 dividerSpan.isLarge() ? "\n\n" : "\n");
783 }
784 start = builder.getSpanStart(copySpan);
785 end = builder.getSpanEnd(copySpan);
786 if (start == -1 || end == -1) return "";
787 builder = new SpannableStringBuilder(builder, start, end);
788 if (forCopy) {
789 QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
790 for (QuoteSpan quoteSpan : quoteSpans) {
791 builder.insert(builder.getSpanStart(quoteSpan), "> ");
792 }
793 }
794 return builder.toString();
795 }
796
797 @Override
798 public String transformTextForCopy(CharSequence text, int start, int end) {
799 if (text instanceof Spanned) {
800 return transformText(text, start, end, true);
801 } else {
802 return text.toString().substring(start, end);
803 }
804 }
805
806 public interface OnQuoteListener {
807 public void onQuote(String text);
808 }
809
810 private class MessageBodyActionModeCallback implements ActionMode.Callback {
811
812 private final TextView textView;
813
814 public MessageBodyActionModeCallback(TextView textView) {
815 this.textView = textView;
816 }
817
818 @Override
819 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
820 if (onQuoteListener != null) {
821 int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
822 // 3rd item is placed after "copy" item
823 menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
824 .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
825 }
826 return false;
827 }
828
829 @Override
830 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
831 return false;
832 }
833
834 @Override
835 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
836 if (item.getItemId() == android.R.id.button1) {
837 int start = textView.getSelectionStart();
838 int end = textView.getSelectionEnd();
839 if (end > start) {
840 String text = transformText(textView.getText(), start, end, false);
841 if (onQuoteListener != null) {
842 onQuoteListener.onQuote(text);
843 }
844 mode.finish();
845 }
846 return true;
847 }
848 return false;
849 }
850
851 @Override
852 public void onDestroyActionMode(ActionMode mode) {}
853 }
854
855 public void openDownloadable(Message message) {
856 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
857 if (!file.exists()) {
858 Toast.makeText(activity,R.string.file_deleted,Toast.LENGTH_SHORT).show();
859 return;
860 }
861 Intent openIntent = new Intent(Intent.ACTION_VIEW);
862 String mime = file.getMimeType();
863 if (mime == null) {
864 mime = "*/*";
865 }
866 Uri uri;
867 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N || Config.ONLY_INTERNAL_STORAGE) {
868 try {
869 uri = FileBackend.getUriForFile(activity, file);
870 } catch (IllegalArgumentException e) {
871 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
872 Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
873 return;
874 } else {
875 uri = Uri.fromFile(file);
876 }
877 }
878 openIntent.setDataAndType(uri, mime);
879 openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
880 } else {
881 uri = Uri.fromFile(file);
882 }
883 openIntent.setDataAndType(uri, mime);
884 PackageManager manager = activity.getPackageManager();
885 List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
886 if (info.size() == 0) {
887 openIntent.setDataAndType(Uri.fromFile(file),"*/*");
888 }
889 try {
890 getContext().startActivity(openIntent);
891 } catch (ActivityNotFoundException e) {
892 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
893 }
894 }
895
896 public void showLocation(Message message) {
897 for(Intent intent : GeoHelper.createGeoIntentsFromMessage(message)) {
898 if (intent.resolveActivity(getContext().getPackageManager()) != null) {
899 getContext().startActivity(intent);
900 return;
901 }
902 }
903 Toast.makeText(activity,R.string.no_application_found_to_display_location,Toast.LENGTH_SHORT).show();
904 }
905
906 public void updatePreferences() {
907 this.mIndicateReceived = activity.indicateReceived();
908 this.mUseGreenBackground = activity.useGreenBackground();
909 }
910
911 public TextView getMessageBody(View view) {
912 final Object tag = view.getTag();
913 if (tag instanceof ViewHolder) {
914 final ViewHolder viewHolder = (ViewHolder) tag;
915 return viewHolder.messageBody;
916 }
917 return null;
918 }
919
920 public interface OnContactPictureClicked {
921 void onContactPictureClicked(Message message);
922 }
923
924 public interface OnContactPictureLongClicked {
925 void onContactPictureLongClicked(Message message);
926 }
927
928 private static class ViewHolder {
929
930 protected LinearLayout message_box;
931 protected Button download_button;
932 protected ImageView image;
933 protected ImageView indicator;
934 protected ImageView indicatorReceived;
935 protected TextView time;
936 protected CopyTextView messageBody;
937 protected ImageView contact_picture;
938 protected TextView status_message;
939 protected TextView encryption;
940 public Button load_more_messages;
941 public ImageView edit_indicator;
942 }
943
944 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
945 private final WeakReference<ImageView> imageViewReference;
946 private Message message = null;
947
948 public BitmapWorkerTask(ImageView imageView) {
949 imageViewReference = new WeakReference<>(imageView);
950 }
951
952 @Override
953 protected Bitmap doInBackground(Message... params) {
954 return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled());
955 }
956
957 @Override
958 protected void onPostExecute(Bitmap bitmap) {
959 if (bitmap != null && !isCancelled()) {
960 final ImageView imageView = imageViewReference.get();
961 if (imageView != null) {
962 imageView.setImageBitmap(bitmap);
963 imageView.setBackgroundColor(0x00000000);
964 }
965 }
966 }
967 }
968
969 public void loadAvatar(Message message, ImageView imageView) {
970 if (cancelPotentialWork(message, imageView)) {
971 final Bitmap bm = activity.avatarService().get(message, activity.getPixel(48), true);
972 if (bm != null) {
973 cancelPotentialWork(message, imageView);
974 imageView.setImageBitmap(bm);
975 imageView.setBackgroundColor(0x00000000);
976 } else {
977 imageView.setBackgroundColor(UIHelper.getColorForName(UIHelper.getMessageDisplayName(message)));
978 imageView.setImageDrawable(null);
979 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
980 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
981 imageView.setImageDrawable(asyncDrawable);
982 try {
983 task.execute(message);
984 } catch (final RejectedExecutionException ignored) {
985 }
986 }
987 }
988 }
989
990 public static boolean cancelPotentialWork(Message message, ImageView imageView) {
991 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
992
993 if (bitmapWorkerTask != null) {
994 final Message oldMessage = bitmapWorkerTask.message;
995 if (oldMessage == null || message != oldMessage) {
996 bitmapWorkerTask.cancel(true);
997 } else {
998 return false;
999 }
1000 }
1001 return true;
1002 }
1003
1004 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
1005 if (imageView != null) {
1006 final Drawable drawable = imageView.getDrawable();
1007 if (drawable instanceof AsyncDrawable) {
1008 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
1009 return asyncDrawable.getBitmapWorkerTask();
1010 }
1011 }
1012 return null;
1013 }
1014
1015 static class AsyncDrawable extends BitmapDrawable {
1016 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
1017
1018 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
1019 super(res, bitmap);
1020 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
1021 }
1022
1023 public BitmapWorkerTask getBitmapWorkerTask() {
1024 return bitmapWorkerTaskReference.get();
1025 }
1026 }
1027}